ST型缓冲器由哪些零件构成？

软件工程研究的内容主要包括： 【2】 技术和软件工程管理。

银行必须严格按照国家外汇管理政策办理外汇业务，履行（）和（）职责，对消费者提交的有效身份证件和相关证明材料的真实性进行审核，不得协助客户以拆分等方式逃避限额监管或以虚假单据逃避真实性管理，不得伪造、变造交易。

A.国际收支统计申报

B.结售汇统计

C.结售汇申报

D.限额监管

在镀锌板材表面刮涂原子灰，一定要用专门用于镀锌铁板表面的（）

A.石膏粉

B.原子灰

C.乳胶液

D.桐油

Many animals engage in play，but homo sapiens is the only animal (1) have invented sports.Since sports are an invention，a part of culture (2) than an aspect of nature，all definitions of sports are somewhat arbitrary. (3) sports are a human universal found in every known culture or a (4) unique to modern society depends upon one’s definition of sports.Men and (5) have always run，jumped，climbed，lifted，thrown， and wrestled，but they have (6) always performed these physical activities competitively. Although all literate societies seem to (7) contests of one sort or another in which men， and sometimes women， (8) in displays and tests of physical skill and prowess，sports may be (9) defined as physical contests performed for their own sake and not for (10) ulterior end.According to this strict definition，neither Neolithic hunters nor contestants (11) religious ceremonies such as the ancient Olympic Games were engaged in sports. (12) on the stipulation that sports must be performed for their own sake (13) the paradoxical elimination of many activities which are usually thought of as (14) ，such as exercises done for the sake of cardiovascular fitness，races run (15) satisfy a physical education requirement，ball games played to earn a paycheck. (16) definition also means abandonment of the traditional usage in which"sport，"derived (17) Middle English disporter，refers to any light hearted recreational activity.In the. (18) of some 18th- century aristocrats，a game of backgammon and the seduction of (19) milkmaid were both considered good sport，but this usage of the term (20) become archaic.